<!doctype html>
<html>
<head>
    <meta charset="utf-8"/>
    <title>axupimgs</title>
    <meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1.0, maximum-scale=1.0"/>
    <meta name="apple-mobile-web-app-capable" content="yes"/>
    <meta name="apple-mobile-web-app-status-bar-style" content="black"/>
    <meta name="format-detection" content="telephone=no">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
    <style>
        html, body {
            height: 100%;
            margin: 0;
            padding: 0;
            background: #fff;
        }

        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        #wrap {
            padding: 10px;
        }

        #topbar {
            padding: 10px 0;
            border-bottom: 1px solid #ccc;
            text-align: right;
        }

        #topbar button {
            margin: 0;
            margin-left: 5px;
            outline: none;
            padding: 4px 16px;
            box-sizing: border-box;
            display: inline-block;
            border: none;
            border-radius: 3px;
            text-align: center;
            cursor: pointer;
            font-size: 14px;
            line-height: 1.5;
            background-color: #f0f0f0;
            color: #223;
        }

        #topbar button.primary {
            background-color: #3d97d4;
            color: #fff;
        }

        #topbar button:hover {
            background-color: #207ab7;
            color: #fff;
        }

        #topbar button.removeall {
            float: left
        }

        #file_list {
            display: grid;
            grid-gap: 10px;
            grid-template-columns:repeat(auto-fill, minmax(160px, 1fr));
            padding-top: 10px;
        }

        #file_list:empty:after {
            content: '可以直接拖拽文件到这里';
            color: #777;
            font-size: 0.8em;
        }

        #file_list li {
            position: relative;
            display: block;
            vertical-align: top;
            padding: 5px 5px;
            border-radius: 5px;
        }

        #file_list li.up-over {
        }

        #file_list li.up-now {
        }

        #file_list li.up-now:after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            display: block;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.8) url(loading.gif) center center no-repeat;
            border-radius: 5px;
            z-index: 999;
        }

        #file_list li:hover {
            background-color: #ddd;
        }

        #file_list li .picbox {
            display: flex;
            flex: 0 0 auto;
            justify-content: center;
            overflow: hidden;
            position: relative;
            width: 100%;
            padding-top: 100%;
            align-items: center;
        }

        #file_list li .picbox img {
            display: block;
            max-width: 100%;
            max-height: 100%;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translateX(-50%) translateY(-50%);
        }

        #file_list li.up-over .picbox:after {
            content: url('data:image/svg+xml;%20charset=utf8,%3Csvg%20viewBox%3D%220%200%201024%201024%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2224%22%20height%3D%2224%22%3E%3Cpath%20d%3D%22M512%200C229.376%200%200%20229.376%200%20512s229.376%20512%20512%20512%20512-229.376%20512-512S794.624%200%20512%200z%22%20fill%3D%22%234AC711%22%3E%3C%2Fpath%3E%3Cpath%20d%3D%22M855.552%20394.752l-358.4%20358.4a50.9952%2050.9952%200%200%201-72.192%200l-204.8-204.8c-18.944-19.968-18.944-51.2%200-71.168a50.5344%2050.5344%200%200%201%2072.192-1.024L460.8%20644.608l322.048-322.048c19.968-18.944%2051.2-18.944%2071.168%200%2020.48%2019.456%2020.992%2051.712%201.536%2072.192z%22%20fill%3D%22%23FFFFFF%22%3E%3C%2Fpath%3E%3C%2Fsvg%3E');
            position: absolute;
            bottom: 2px;
            right: 2px;
            z-index: 9;
        }

        #file_list li .tools {
            display: none;
            position: absolute;
            bottom: 5px;
            right: 5px;
            z-index: 99;
        }

        #file_list li:hover .tools {
            display: block;
        }

        #file_list li .tools .remove {
            cursor: pointer;
        }

        #file_list li .tools .remove:after {
            content: url('data:image/svg+xml;%20charset=utf8,%3Csvg%20width=%2224%22%20height=%2224%22%20viewBox=%220%200%2024%2024%22%20xmlns=%22http://www.w3.org/2000/svg%22%3E%3Cpath%20d=%22M17%206h3a1%201%200%200%201%200%202h-1v11a3%203%200%200%201-3%203H8a3%203%200%200%201-3-3V8H4a1%201%200%201%201%200-2h3V5a3%203%200%200%201%203-3h4a3%203%200%200%201%203%203v1zm-2%200V5a1%201%200%200%200-1-1h-4a1%201%200%200%200-1%201v1h6zm2%202H7v11a1%201%200%200%200%201%201h8a1%201%200%200%200%201-1V8zm-8%203a1%201%200%200%201%202%200v6a1%201%200%200%201-2%200v-6zm4%200a1%201%200%200%201%202%200v6a1%201%200%200%201-2%200v-6z%22%3E%3C/path%3E%3C/svg%3E');
        }

        #file_list li .namebox {
            font-size: 14px;
            line-height: 20px;
            max-height: 40px;
            overflow: hidden;
            padding: 5px 10px;
            text-align: center;
            display: flex;
            justify-content: center;
            align-items: flex-start;
        }

        #file_list li .namebox span {
            word-break: break-all;
            vertical-align: top;
        }
    </style>

</head>
<body>
<div id="wrap">
    <div id="topbar">
        <button class="addfile primary">+ 添加文件</button>
        <button class="upall primary">全部上传</button>
        <button class="removeall">清空列表</button>
    </div>
    <ul id="file_list"></ul>
</div>

<script>
    var editor = parent.tinymce.activeEditor;
    var axupimgs = parent.axupimgs;
    axupimgs.res = []; //存放本地文件的数组
    var blobInfo = {file: null}
    blobInfo.blob = function () {
        return this.file;
    }
    var upload_handler = axupimgs.images_upload_handler;
    var upload_base_path = axupimgs.images_upload_base_path;

    //为列表添加排序
    function reSort() {
        document.querySelectorAll('#file_list li').forEach((el, i) => {
            el.setAttribute('data-num', i);
        });
    }

    function addList(files) {
        var files_sum = files.length;
        var vDom = document.createDocumentFragment();
        for (let i = 0; i < files_sum; i++) {
            let file = files[i];
            let blobUrl = window.URL.createObjectURL(file)
            axupimgs.res.push({file: file, blobUrl: blobUrl, url: ''});
            let li = document.createElement('li');
            li.setAttribute('class', 'up-no');
            li.setAttribute('data-time', file.lastModified);
            li.innerHTML = '<div class="picbox"><img src="' + blobUrl + '"></div><div class="namebox"><span>' + file.name + '</span></div><div class="tools"><a class="remove"></a></div>';
            vDom.appendChild(li);
        }
        document.querySelector('#file_list').appendChild(vDom);
        //reSort();
    }


    //清空列表
    document.querySelector('#topbar .removeall').addEventListener('click', () => {
        axupimgs.res = []
        document.querySelectorAll('#file_list li').forEach((el, i) => {
            el.parentNode.removeChild(el)
        });
    });
    //拖拽添加
    document.addEventListener('dragover', (e) => {
        e.stopPropagation();
        e.preventDefault();
        e.dataTransfer.dropEffect = 'copy';
    });
    document.addEventListener('drop', (e) => {
        e.stopPropagation();
        e.preventDefault();
        if (!e.dataTransfer.files) {
            return false;
        }
        var dropfiles = e.dataTransfer.files;
        if (!(dropfiles.length > 0)) {
            return false;
        }
        var exts = axupimgs.axupimgs_filetype.replace(/(\s)+/g, '').toLowerCase().split(',');
        var files = [];
        for (let file of dropfiles) {
            ext = file.name.split('.');
            ext = '.' + ext[ext.length - 1];
            for (let s of exts) {
                if (s == ext) {
                    files.push(file);
                    break;
                }
            }
        }
        if (files.length > 0) {
            addList(files)
        }
    });

    //添加文件
    document.querySelector('#topbar .addfile').addEventListener('click', () => {
        var input = document.createElement('input');
        input.setAttribute('type', 'file');
        input.setAttribute('multiple', 'multiple');
        input.setAttribute('accept', axupimgs.axupimgs_filetype);
        input.click();
        input.onchange = function () {
            var files = this.files;
            addList(files);
        }
    });

    var file_i = 0;

    function upAllFiles(n) {
        var len = axupimgs.res.length;
        file_i = n;
        if (len == n) {
            file_i = 0;
            document.querySelector('#topbar .upall').innerText = '全部上传';
            return true;
        }
        if (axupimgs.res[n].url != '') {
            n++;
            upAllFiles(n)
        } else {
            blobInfo.file = axupimgs.res[n].file;
            upload_handler(blobInfo, null).then((url) => {
                if (upload_base_path) {
                    if (upload_base_path.slice(-1) == '/' && url.substr(0, 1) == '/') {
                        url = upload_base_path + url.slice(1);
                    } else if (upload_base_path.slice(-1) != '/' && url.substr(0, 1) != '/') {
                        url = upload_base_path + '/' + url;
                    } else {
                        url = upload_base_path + url;
                    }
                }
                axupimgs.res[file_i].url = url;
                filename = url.split('/').pop();
                var li = document.querySelectorAll('#file_list li')[file_i];
                li.setAttribute('class', 'up-over');
                li.querySelector('.namebox span').innerText = filename;
                n++
                upAllFiles(n);
            }, function (err) {
                document.querySelector('#topbar .upall').innerText = '全部上传';
                document.querySelectorAll('#file_list li.up-now').forEach((el, i) => {
                    el.setAttribute('class', 'up-no');
                });
                alert(err);
            });
        }

    }

    document.querySelector('#topbar .upall').addEventListener('click', (e) => {
        if (e.target.innerText != '全部上传') {
            return false;
        }
        if (axupimgs.res.length > 0) {
            document.querySelectorAll('#file_list li.up-no').forEach((el, i) => {
                el.classList ? el.classList.add('up-now') : el.className += ' up-now';
            });
            e.target.innerText = '上传中...';
            upAllFiles(0);
        }
    });

    var observ_flist = new MutationObserver((muList, observe) => {
        if (muList[0].addedNodes.length > 0) {
            muList[0].addedNodes.forEach((el) => {
                el.querySelector('.remove').addEventListener('click', (e) => {
                    var li = e.target.parentNode.parentNode;
                    var n = li.getAttribute('data-num');
                    var el = document.querySelectorAll('#file_list li')[n];
                    el.parentNode.removeChild(el);
                    axupimgs.res.splice(n, 1);
                });
            });
        }
        reSort();
    });
    observ_flist.observe(document.querySelector('#file_list'), {childList: true});

</script>
</body>
</html>
